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- W2029239136 abstract "Abstract The interaction of lipoxygenase with (E)-resveratrol was investigated by fluorescence spectroscopy. The data obtained revealed that the quenching of intrinsic fluorescence of lipoxygenase is produced by the formation of a complex lipoxygenase–(E)-resveratrol. From the value obtained for the binding constant, according to the Stern–Volmer modified equation, was deduced the existence of static quenching mechanism and, as consequence, the existence of a strong interaction between (E)-resveratrol and lipoxygenase. The values obtained for the thermodynamic parameter Δ H (−3.58 kJ mol −1 ) and Δ S (87.97 J mol −1 K −1 ) suggested the participation of hydrophobic interactions and hydrogen bonds in the stabilization of the complex ligand–protein. From the static quenching we determined that only exist one independent binding site. Based on the Forster energy transfer theory, the distance between the acceptor ((E)-resveratrol) and the donor (Trp residues of lipoxygenase) was calculated to be 3.42 nm. Finally, based on the information obtained from the evaluation of synchronous and three-dimensional fluorescence spectroscopy, we deduced that the interaction of (E)-resveratrol with lipoxygenase produces micro-environmental and conformational alterations of protein in the binding region." @default.
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- W2029239136 date "2010-09-01" @default.
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- W2029239136 title "Fluorescence spectroscopic study on the interaction of resveratrol with lipoxygenase" @default.
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- W2029239136 doi "https://doi.org/10.1016/j.molstruc.2010.07.006" @default.
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